Influence of pulmonary vein ovality on the occlusion efficacy of a size-adjustable cryoballoon: Insights from a 3D silicone model study [PDF]
Indian Pacing and Electrophysiology JournalBackground: Cryoballoon ablation is an established therapy for atrial fibrillation, but complete pulmonary vein (PV) occlusion can be challenging in large or anatomically complex veins.
Takafumi Koyama +4 more
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Diameter Calculation in Contactless Three-Axis Measuring Devices [PDF]
MATEC Web of Conferences, 2016 The paper presents a three-dimensional method of measuring diameter and ovality of cylindrical objects in diverging laser beam. Mathematical software method is developed. Virtual simulation of this method and experimental testing are made.
Fedorov Evgeny, Koba Alexander
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Anatomical Predictors of Optimal Cryoballoon Size Selection: A Prospective Comparison of 28 mm Versus 31 mm Size‐Adjustable Balloon Modes [PDF]
Journal of ArrhythmiaBackground Complete pulmonary vein (PV) occlusion is critical for successful cryoballoon ablation. The POLARx FIT size‐adjustable cryoballoon adjusts diameter from 28 to 31 mm.
Reisuke Yoshizawa +12 more
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Comparison of Deep Optic Nerve Head Structures and Optic Disc Morphology in Unilateral Peripapillary Intrachoroidal Cavitation [PDF]
Ophthalmology SciencePurpose: To compare background characteristics, deep optic nerve head (ONH) structures, and optic disc morphology in participants with unilateral peripapillary intrachoroidal cavitation (PICC). Design: Retrospective cross-sectional study.
Kaho Akiyama, MD +6 more
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A theoretical model for roller-shape design of three-roller continuous and synchronous calibration process of ovality and straightness for large thin-walled pipes [PDF]
Scientific ReportsLarge thin-walled pipes are particularly suitable for oil and gas transport and auxiliary pipes in cold areas or deep sea-beds. At present, the rounding and straightening processes are completed independently, and the theoretical model for roller-shape ...
Xueying Huang, JinPing Gu
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Applied Sciences, 2023 The formed-in-place pipe (FIPP) is a trenchless technology used for pipeline rehabilitation. It is a folded PVC pipe that expands through thermoforming to fit tightly inside the host pipe.
Zheng Zeng +4 more
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Experimental Investigation of the Effects of Irradiating Schemes in Laser Tube Bending Process
Metals, 2021 The laser tube bending process (LTBP) process is a thermal non-contact process for bending tubes with less springback and less thinning of the tube. In this paper, the laser tube bending process will be studied experimentally.
Mehdi Safari +2 more
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Analysis on collapse behavior of sandwich pipelines considering the eccentric effect
You-qi chuyun, 2021 Compared with the traditional single-layer pipelines, the sandwich pipelines have a more complex structural configuration, and the problem of non-uniform filling thickness in the sandwich layer may occur easily in the manufacturing process, which could ...
Guangming FU +5 more
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Logic, 2023 , Ferrous metal is of material utilized mostly for many objects or kinds of stuff to help humans and their work easier. Low-carbon steel is one of the ferrous metal natures that could be utilized when transforms into more useful objects.
Musholli Musholli, Sudarmaji Sudarmaji
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Correlations between the optic nerve head morphology and ocular biometrics in highly myopic eyes [PDF]
International Journal of Ophthalmology, 2018 AIM: To analyze peripapillary atrophy β/γ zone (PPA-β/γ) and the optic disc ovality index, and to assess their associations with the axial length (AL), refractive error, best corrected visual acuity (BCVA), choroidal thickness (CT), and age in highly ...
Xiu-Juan Zhao +13 more
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